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12-18 SmartSwitch 1800 4.0 User Guide, Rev 01
Configuring Async PVCs
A SmartSwitch 1800 PVC is a "permanent" connection between two physical/logical
ports in a node. This allows communication between the attached devices as soon as
they are powered up, without having to first make a call to establish a connection.
Async PVC support in the SmartSwitch 1800 includes async-to-async and async-to-
X.25.
To display a list of current PVCs, press
[A]
at the PVC Configuration Menu (or
[A],
[D], [E], [A]
from the Main Menu). To add or change a PVC, press
[B]
at the PVC Con-
figuration Menu and enter a 1–4 digit
Connection ID
, which is simply a number unique
to this connection, that identifies the PVC.
Figure 12-4 Async-to-X.25 PVC Record
[A],[D],[E],[B]
from Main Menu
The same parameters are displayed for an async-to-async PVC.
Node Name=nodexyz
PVC Maintenance Connection ID1
A PVC Type Async PAD to X.25
B Connection Priority 0
Connection Between Async Port...
C Subscriber Name asub1
D Logical Channel 10
*RLP 0
FPort 0
G Packet Size 128
H Window Size 2
and X.25 Port...
I Subscriber Name xsub5
J Logical Channel 11
*RLP 0
LPort 2
M Packet Size 128
N Window Size 2
O pti on: